<template>
  <view class="uni-container">
    <uni-forms ref="form" :model="formData" validateTrigger="bind">
      <uni-forms-item name="coupon_id" label="优惠券ID" required>
        <uni-easyinput placeholder="关联的优惠券ID" v-model="formData.coupon_id"></uni-easyinput>
      </uni-forms-item>
      <uni-forms-item name="user_id" label="用户ID" required>
        <uni-easyinput placeholder="领取/使用优惠券的用户ID" v-model="formData.user_id"></uni-easyinput>
      </uni-forms-item>
      <uni-forms-item name="status" label="使用状态" required>
        <uni-data-checkbox v-model="formData.status" :localdata="formOptions.status_localdata"></uni-data-checkbox>
      </uni-forms-item>
      <uni-forms-item name="receive_date" label="领取时间">
        <uni-datetime-picker return-type="timestamp" v-model="formData.receive_date"></uni-datetime-picker>
      </uni-forms-item>
      <uni-forms-item name="use_date" label="使用时间">
        <uni-datetime-picker return-type="timestamp" v-model="formData.use_date"></uni-datetime-picker>
      </uni-forms-item>
      <uni-forms-item name="expire_date" label="过期时间">
        <uni-datetime-picker return-type="timestamp" v-model="formData.expire_date"></uni-datetime-picker>
      </uni-forms-item>
      <uni-forms-item name="merchant_id" label="商家ID">
        <uni-easyinput placeholder="核销优惠券的商家ID" v-model="formData.merchant_id"></uni-easyinput>
      </uni-forms-item>
      <uni-forms-item name="remark" label="备注">
        <uni-easyinput placeholder="使用备注信息" v-model="formData.remark" trim="both"></uni-easyinput>
      </uni-forms-item>
      <view class="uni-button-group">
        <button type="primary" class="uni-button" style="width: 100px;" @click="submit">提交</button>
        <navigator open-type="navigateBack" style="margin-left: 15px;">
          <button class="uni-button" style="width: 100px;">返回</button>
        </navigator>
      </view>
    </uni-forms>
  </view>
</template>

<script>
import { validator } from '@/js_sdk/validator/coupon-usage.js';

const db = uniCloud.database();
// const dbCmd = db.command;
const dbCollectionName = 'coupon-usage';

function getValidator(fields) {
  let result = {}
  for (let key in validator) {
    if (fields.includes(key)) {
      result[key] = validator[key]
    }
  }
  return result
}

export default {
  data() {
    let formData = {
      "coupon_id": "",
      "user_id": "",
      "status": 0,
      "receive_date": null,
      "use_date": null,
      "expire_date": null,
      "merchant_id": "",
      "remark": ""
    }
    return {
      formData,
      formOptions: {
        "status_localdata": [
          {
            "value": 0,
            "text": "已领取"
          },
          {
            "value": 1,
            "text": "已核销"
          },
          {
            "value": 2,
            "text": "已过期"
          }
        ]
      },
      rules: {
        ...getValidator(Object.keys(formData))
      }
    }
  },
  onLoad(e) {
    if (e.id) {
      const id = e.id
      this.formDataId = id
      this.getDetail(id)
    }
  },
  onReady() {
    this.$refs.form.setRules(this.rules)
  },
  computed: {
    isSuperAdmin() {
      return this.$hasRole("admin")
    }
  },
  methods: {

    /**
     * 验证表单并提交
     */
    submit() {
      uni.showLoading({
        mask: true
      })
      this.$refs.form.validate().then((res) => {
        return this.submitForm(res)
      }).catch(() => {
      }).finally(() => {
        uni.hideLoading()
      })
    },

    /**
     * 提交表单
     */
    submitForm(value) {
      // 使用 clientDB 提交数据
      return db.collection(dbCollectionName).doc(this.formDataId).update(value).then((res) => {
        uni.showToast({
          title: '修改成功'
        })
        this.getOpenerEventChannel().emit('refreshData')
        setTimeout(() => uni.navigateBack(), 500)
      }).catch((err) => {
        uni.showModal({
          content: err.message || '请求服务失败',
          showCancel: false
        })
      })
    },

    /**
     * 获取表单数据
     * @param {Object} id
     */
    getDetail(id) {
      uni.showLoading({
        mask: true
      })
      db.collection(dbCollectionName)
        .doc(id)
        .field("coupon_id,user_id,status,receive_date,use_date,expire_date,merchant_id,remark")
        .get()
        .then((res) => {
          const data = res.result.data[0]
          if (data) {
            this.formData = data

          }
        }).catch((err) => {
          uni.showModal({
            content: err.message || '请求服务失败',
            showCancel: false
          })
        }).finally(() => {
          uni.hideLoading()
        })
    }
  }
}
</script>
